Z19C Color Screen IP67 Waterproof Smart Bracelet Fitness Tracker - Black AV Adapters And Converters With the pan/tilt and 4X

With the pan/tilt and 4X zoom Day/Night lens

16 units analog ratio input port and 4 units UART (hardware serial ports) and 16MHz crystal oscillator

LCD analogue display and audio indicate the detection of metal

For Android

ATmega168P

Z19C Color Screen IP67 Waterproof Smart Bracelet Fitness Tracker - Black AV Adapters And Converters With the pan/tilt and 4XTechnical Parameters: Size: 45mm*21mm*10mm Weight: 30g Color: Black Blue Pink Purple Major function: Sports records (step count, distance, calories), news push, refusal to answer calls, heart rate monitoring, blood oxygen monitoring, one button physical examination, standby desktop settings, wrist lift screen, sedentary reminder, sleep monitoring, multiple alarm clocks, phone search , take pictures remotely. Chipset: Nordic nRF52832 APP: Hband